Updated 7 h ago

Vulnerability database

Every flaw the U.S. government’s cybersecurity agency (CISA) has confirmed attackers are using, plus the new WordPress plugin and theme bugs published each day, sorted by what they mean for a small business. We refresh it twice a day. If you see something your website or office runs, tell us.

1,764exploited flaws on CISA’s list

35added in the last 30 days

456new WordPress flaws this week

390,714entries in the database

1,166 results · page 12 of 24

Mar 28, 2018A vulnerability in Simple Network Management Protocol (SNMP) subsystem of Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial CVE-2018-0160 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 6.3
A vulnerability in Simple Network Management Protocol (SNMP) subsystem of Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper management of memory resources, referred to as a double free. An attacker could exploit this vulnerability by sending crafted SNMP packets to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. To exploit this vulnerability via SNMP Version 2c or earlier, the attacker must know the SNMP read-only community string for an affected system. To exploit this vulnerability via SNMP Version 3, the attacker must know the user credentials for the affected system. This vulnerability affects Cisco devices that are running a vulnerable release of Cisco IOS XE Software, have been configured to be queried over SNMP, and have Network Address Translation (NAT) enabled. Cisco Bug IDs: CSCve75818.
Product
IOS XE
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Mar 28, 2018Cisco IOS and XE Software Internet Key Exchange Version 1 Denial-of-Service VulnerabilityCVE-2018-0159 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedHigh 7.5
A vulnerability in the implementation of Internet Key Exchange Version 1 (IKEv1) functionality in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial-of-service (DoS) condition.
Product
IOS Software and Cisco IOS XE Software
On CISA’s list since
Mar 3, 2022 (federal fix deadline Mar 17, 2022)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog securityfocus.com securitytracker.com
Mar 28, 2018Cisco IOS and XE Software Internet Key Exchange Memory Leak VulnerabilityCVE-2018-0158 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedHigh 8.6
A vulnerability in the implementation of Internet Key Exchange Version 1 (IKEv1) functionality in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial-of-service (DoS) condition.
Product
IOS Software and Cisco IOS XE Software
On CISA’s list since
Mar 3, 2022 (federal fix deadline Mar 17, 2022)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog securityfocus.com securitytracker.com
Mar 28, 2018A vulnerability in the Zone-Based Firewall code of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a device to reload.CVE-2018-0157 · Network & remote access · Cisco · reported by psirt@cisco.comHigh 8.6
A vulnerability in the Zone-Based Firewall code of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a device to reload. The vulnerability is due to the way fragmented packets are handled in the firewall code. An attacker could exploit this vulnerability by sending fragmented IP Version 4 or IP Version 6 packets through an affected device. An exploit could allow the attacker to cause the device to crash, resulting in a denial of service (DoS) condition. The following releases of Cisco IOS XE Software are vulnerable: Everest-16.4.1, Everest-16.4.2, Everest-16.5.1, Everest-16.5.1b, Everest-16.6.1, Everest-16.6.1a. Cisco Bug IDs: CSCvf60296.
Product
IOS XE
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Mar 28, 2018Cisco IOS Software and Cisco IOS XE Software Smart Install Denial-of-Service VulnerabilityCVE-2018-0156 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedHigh 7.5
A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial-of-service (DoS) condition.
Product
IOS Software and Cisco IOS XE Software
On CISA’s list since
Mar 3, 2022 (federal fix deadline Mar 17, 2022)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog securityfocus.com securitytracker.com
Mar 28, 2018Cisco IOS Software Integrated Services Module for VPN Denial-of-Service VulnerabilityCVE-2018-0154 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedHigh 7.5
A vulnerability in the crypto engine of the Cisco Integrated Services Module for VPN (ISM-VPN) running Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial-of-service (DoS) condition.
Product
IOS Software
On CISA’s list since
Mar 3, 2022 (federal fix deadline Mar 17, 2022)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog securityfocus.com securitytracker.com
Mar 28, 2018A vulnerability in the web-based user interface (web UI) of Cisco IOS XE Software could allow an authenticated, remote attacker to gain elevated privileges on aCVE-2018-0152 · Network & remote access · Cisco · reported by psirt@cisco.comHigh 8.8
A vulnerability in the web-based user interface (web UI) of Cisco IOS XE Software could allow an authenticated, remote attacker to gain elevated privileges on an affected device. The vulnerability exists because the affected software does not reset the privilege level for each web UI session. An attacker who has valid credentials for an affected device could exploit this vulnerability by remotely accessing a VTY line to the device. A successful exploit could allow the attacker to access an affected device with the privileges of the user who previously logged in to the web UI. This vulnerability affects Cisco devices that are running a vulnerable release of Cisco IOS XE Software, if the HTTP Server feature is enabled and authentication, authorization, and accounting (AAA) authorization is not configured for EXEC sessions. The default state of the HTTP Server feature is version-dependent. This vulnerability was introduced in Cisco IOS XE Software Release 16.1.1. Cisco Bug IDs: CSCvf71769.
Product
IOS XE
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Mar 28, 2018Cisco IOS Software and Cisco IOS XE Software Quality of Service Remote Code Execution VulnerabilityCVE-2018-0151 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedCritical 9.8
A vulnerability in the quality of service (QoS) subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges.
Product
IOS and IOS XE Software
On CISA’s list since
Mar 3, 2022 (federal fix deadline Mar 17, 2022)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog securityfocus.com securitytracker.com
Mar 28, 2018A vulnerability in Cisco IOS XE Software could allow an unauthenticated, remote attacker to log in to a device running an affected release of Cisco IOS XE SoftwCVE-2018-0150 · Network & remote access · Cisco · reported by psirt@cisco.comCritical 9.8
A vulnerability in Cisco IOS XE Software could allow an unauthenticated, remote attacker to log in to a device running an affected release of Cisco IOS XE Software with the default username and password that are used at initial boot, aka a Static Credential Vulnerability. The vulnerability is due to an undocumented user account with privilege level 15 that has a default username and password. An attacker could exploit this vulnerability by using this account to remotely connect to an affected device. A successful exploit could allow the attacker to log in to the device with privilege level 15 access. This vulnerability affects Cisco devices that are running a vulnerable release of Cisco IOS XE Software Release 16.x. This vulnerability does not affect Cisco IOS XE Software releases prior to Release 16.x. Cisco Bug IDs: CSCve89880.
Product
IOS XE
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Mar 27, 2018Cisco IOS XE Software Ethernet Virtual Private Network Border Gateway Protocol Denial-of-Service VulnerabilityCVE-2017-12319 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedMedium 5.9
A vulnerability in the Border Gateway Protocol (BGP) over an Ethernet Virtual Private Network (EVPN) for Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload, resulting in a denial of service (DoS) condition, or potentially corrupt the BGP routing table, which could result in network instability.
Product
IOS XE Software
On CISA’s list since
Mar 3, 2022 (federal fix deadline Mar 24, 2022)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog securityfocus.com tools.cisco.com
Feb 8, 2018A vulnerability in the forwarding information base (FIB) code of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause inconsistency beCVE-2018-0132 · Network & remote access · Cisco · reported by psirt@cisco.comHigh 8.6
A vulnerability in the forwarding information base (FIB) code of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause inconsistency between the routing information base (RIB) and the FIB, resulting in a denial of service (DoS) condition. The vulnerability is due to incorrect processing of extremely long routing updates. An attacker could exploit this vulnerability by sending a large routing update. A successful exploit could allow the attacker to trigger inconsistency between the FIB and the RIB, resulting in a DoS condition. Cisco Bug IDs: CSCus84718.
Product
Carrier Routing System
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Feb 8, 2018A Path Traversal vulnerability in the diagnostic shell for Cisco IOS and IOS XE Software could allow an authenticated, local attacker to use certain diagnostic CVE-2018-0123 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 5.5
A Path Traversal vulnerability in the diagnostic shell for Cisco IOS and IOS XE Software could allow an authenticated, local attacker to use certain diagnostic shell commands that can overwrite system files. These system files may be sensitive and should not be able to be overwritten by a user of the diagnostic shell. The vulnerability is due to lack of proper input validation for certain diagnostic shell commands. An attacker could exploit this vulnerability by authenticating to the device, entering the diagnostic shell, and providing crafted user input to commands at the local diagnostic shell CLI. Successful exploitation could allow the attacker to overwrite system files that should be restricted. Cisco Bug IDs: CSCvg41950.
Product
IOS
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Jan 31, 2018A vulnerability in the IPv6 subsystem of Cisco IOS XR Software Release 5.3.4 for the Cisco Aggregation Services Router (ASR) 9000 Series could allow an unauthenCVE-2018-0136 · Network & remote access · Cisco · reported by psirt@cisco.comHigh 8.6
A vulnerability in the IPv6 subsystem of Cisco IOS XR Software Release 5.3.4 for the Cisco Aggregation Services Router (ASR) 9000 Series could allow an unauthenticated, remote attacker to trigger a reload of one or more Trident-based line cards, resulting in a denial of service (DoS) condition. The vulnerability is due to incorrect handling of IPv6 packets with a fragment header extension. An attacker could exploit this vulnerability by sending IPv6 packets designed to trigger the issue either to or through the Trident-based line card. A successful exploit could allow the attacker to trigger a reload of Trident-based line cards, resulting in a DoS during the period of time the line card takes to restart. This vulnerability affects Cisco Aggregation Services Router (ASR) 9000 Series when the following conditions are met: The router is running Cisco IOS XR Software Release 5.3.4, and the router has installed Trident-based line cards that have IPv6 configured. A software maintenance upgrade (SMU) has been made available that addresses this vulnerability. The fix has also been incorporated into service pack 7 for Cisco IOS XR Software Release 5.3.4. Cisco Bug IDs: CSCvg46800.
Product
IOS XR
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Jan 18, 2018A vulnerability in one of the diagnostic test CLI commands on Cisco Industrial Ethernet 4010 Series Switches running Cisco IOS Software could allow an authenticCVE-2018-0088 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 6.7
A vulnerability in one of the diagnostic test CLI commands on Cisco Industrial Ethernet 4010 Series Switches running Cisco IOS Software could allow an authenticated, local attacker to impact the stability of the device. This could result in arbitrary code execution or a denial of service (DoS) condition. The attacker has to have valid user credentials at privilege level 15. The vulnerability is due to a diagnostic test CLI command that allows the attacker to write to the device memory. An attacker could exploit this vulnerability by authenticating to the targeted device and issuing a specific diagnostic test command at the CLI. An exploit could allow the attacker to overwrite system memory locations, which could have a negative impact on the stability of the device. Cisco Bug IDs: CSCvf71150.
Product
Industrial Ethernet 4010 Series Firmware
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securitytracker.com tools.cisco.com
Nov 30, 2017A vulnerability in the Local Packet Transport Services (LPTS) ingress frame-processing functionality of Cisco IOS XR Software could allow an unauthenticated, reCVE-2017-12355 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 5.3
A vulnerability in the Local Packet Transport Services (LPTS) ingress frame-processing functionality of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause one of the LPTS processes on an affected system to restart unexpectedly, resulting in a brief denial of service (DoS) condition. The vulnerability is due to incomplete LPTS frame validation by the affected software. An attacker could exploit this vulnerability by sending crafted XML requests to the management interface of an affected system. A successful exploit could allow the attacker to cause one of the LPTS processes on the affected system to restart unexpectedly, which would impact LPTS traffic and cause a brief DoS condition while the process restarts. Cisco Bug IDs: CSCvf76332.
Product
IOS XR
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Nov 16, 2017A vulnerability in the IOS daemon (IOSd) web-based management interface of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to condCVE-2017-12304 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 6.1
A vulnerability in the IOS daemon (IOSd) web-based management interface of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface on an affected device. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the web-based management interface or allow the attacker to access sensitive browser-based information. Cisco Bug IDs: CSCvf60862.
Product
IOS
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Nov 2, 2017A vulnerability in the packet processing code of Cisco IOS Software for Cisco Aironet Access Points could allow an unauthenticated, adjacent attacker to retrievCVE-2017-12279 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 4.3
A vulnerability in the packet processing code of Cisco IOS Software for Cisco Aironet Access Points could allow an unauthenticated, adjacent attacker to retrieve content from memory on an affected device, which could lead to the disclosure of confidential information. The vulnerability is due to insufficient condition checks that are performed by the affected device when the device adds padding to egress packets. An attacker could exploit this vulnerability by sending a crafted IP packet to an affected device. A successful exploit could allow the attacker to retrieve content from memory on the affected device, which could lead to the disclosure of confidential information. Cisco Bug IDs: CSCvc21581.
Product
Aironet AP Firmware
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Oct 19, 2017A vulnerability in conditional, verbose debug logging for the IPsec feature of Cisco IOS XE Software could allow an authenticated, local attacker to display senCVE-2017-12289 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 4.4
A vulnerability in conditional, verbose debug logging for the IPsec feature of Cisco IOS XE Software could allow an authenticated, local attacker to display sensitive IPsec information in the system log file. The vulnerability is due to incorrect implementation of IPsec conditional, verbose debug logging that causes sensitive information to be written to the log file. This information should be restricted. An attacker who has valid administrative credentials could exploit this vulnerability by authenticating to the device and enabling conditional, verbose debug logging for IPsec and viewing the log file. An exploit could allow the attacker to access sensitive information related to the IPsec configuration. Cisco Bug IDs: CSCvf12081.
Product
IOS
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Oct 19, 2017A vulnerability in the web framework code of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attacCVE-2017-12272 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 6.1
A vulnerability in the web framework code of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web interface of the affected software. The vulnerability is due to insufficient input validation of some parameters that are passed to the web server of the affected software. An attacker could exploit this vulnerability by convincing a user of the web interface to access a malicious link or by intercepting a user request for the affected web interface and injecting malicious code into the request. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected web interface or allow the attacker to access sensitive browser-based information. Cisco Bug IDs: CSCvb09516.
Product
IOS XE
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Oct 5, 2017A vulnerability in the gRPC code of Cisco IOS XR Software for Cisco Network Convergence System (NCS) 5500 Series Routers could allow an unauthenticated, remote CVE-2017-12270 · Network & remote access · Cisco · reported by psirt@cisco.comHigh 7.5
A vulnerability in the gRPC code of Cisco IOS XR Software for Cisco Network Convergence System (NCS) 5500 Series Routers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition when the emsd service stops. The vulnerability is due to the software's inability to process HTTP/2 packets. An attacker could exploit this vulnerability by sending a malformed HTTP/2 frame to the affected device. A successful exploit could allow the attacker to create a DoS condition when the emsd service stops. Cisco Bug IDs: CSCvb99388.
Product
IOS XR
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Sep 28, 2017Cisco IOS and IOS XE Software DHCP Remote Code Execution VulnerabilityCVE-2017-12240 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedCritical 9.8
The Dynamic Host Configuration Protocol (DHCP) relay subsystem of Cisco IOS and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code and gain full control of an affected system.
Product
IOS and IOS XE Software
On CISA’s list since
Mar 3, 2022 (federal fix deadline Mar 24, 2022)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog securityfocus.com securitytracker.com
Sep 28, 2017Cisco IOS and IOS XE Software Internet Key Exchange Denial-of-Service VulnerabilityCVE-2017-12237 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedHigh 7.5
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco IOS and Cisco IOS XE could allow an unauthenticated, remote attacker to cause high CPU utilization, traceback messages, or a reload of an affected device that leads to a denial of service.
Product
IOS and IOS XE Software
On CISA’s list since
Mar 3, 2022 (federal fix deadline Mar 24, 2022)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog securityfocus.com securitytracker.com
Sep 28, 2017A vulnerability in the implementation of the Locator/ID Separation Protocol (LISP) in Cisco IOS XE 3.2 through 16.5 could allow an unauthenticated, remote attacCVE-2017-12236 · Network & remote access · Cisco · reported by psirt@cisco.comCritical 9.8
A vulnerability in the implementation of the Locator/ID Separation Protocol (LISP) in Cisco IOS XE 3.2 through 16.5 could allow an unauthenticated, remote attacker using an x tunnel router to bypass authentication checks performed when registering an Endpoint Identifier (EID) to a Routing Locator (RLOC) in the map server/map resolver (MS/MR). The vulnerability is due to a logic error introduced via a code regression for the affected software. An attacker could exploit this vulnerability by sending specific valid map-registration requests, which will be accepted by the MS/MR even if the authentication keys do not match, to the affected software. A successful exploit could allow the attacker to inject invalid mappings of EIDs to RLOCs in the MS/MR of the affected software. This vulnerability affects Cisco devices that are configured with LISP acting as an IPv4 or IPv6 map server. This vulnerability affects Cisco IOS XE Software release trains 3.9E and Everest 16.4. Cisco Bug IDs: CSCvc18008.
Product
IOS XE
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Sep 28, 2017Cisco IOS Software for Cisco Industrial Ethernet Switches PROFINET Denial-of-Service VulnerabilityCVE-2017-12235 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedHigh 7.5
A vulnerability in the implementation of the PROFINET Discovery and Configuration Protocol (PN-DCP) for Cisco IOS could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service.
Product
IOS software
On CISA’s list since
Mar 3, 2022 (federal fix deadline Mar 24, 2022)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog securityfocus.com securitytracker.com
Sep 28, 2017Cisco IOS Software Common Industrial Protocol Request Denial-of-Service VulnerabilityCVE-2017-12234 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedHigh 7.5
There is a vulnerability in the implementation of the Common Industrial Protocol (CIP) feature in Cisco IOS could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service.
Product
IOS software
On CISA’s list since
Mar 3, 2022 (federal fix deadline Mar 24, 2022)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog securityfocus.com securitytracker.com
Sep 28, 2017Cisco IOS Software Common Industrial Protocol Request Denial-of-Service VulnerabilityCVE-2017-12233 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedHigh 7.5
There is a vulnerability in the implementation of the Common Industrial Protocol (CIP) feature in Cisco IOS could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service.
Product
IOS software
On CISA’s list since
Mar 3, 2022 (federal fix deadline Mar 24, 2022)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog securityfocus.com securitytracker.com
Sep 28, 2017Cisco IOS Software for Cisco Integrated Services Routers Denial-of-Service VulnerabilityCVE-2017-12232 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedMedium 6.5
A vulnerability in the implementation of a protocol in Cisco Integrated Services Routers Generation 2 (ISR G2) Routers running Cisco IOS could allow an unauthenticated, adjacent attacker to cause an affected device to reload, resulting in a denial of service.
Product
IOS software
On CISA’s list since
Mar 3, 2022 (federal fix deadline Mar 24, 2022)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog securityfocus.com securitytracker.com
Sep 28, 2017Cisco IOS Software Network Address Translation Denial-of-Service VulnerabilityCVE-2017-12231 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedHigh 7.5
A vulnerability in the implementation of Network Address Translation (NAT) functionality in Cisco IOS could allow an unauthenticated, remote attacker to cause a denial of service.
Product
IOS software
On CISA’s list since
Mar 3, 2022 (federal fix deadline Mar 24, 2022)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog securityfocus.com securitytracker.com
Sep 28, 2017A vulnerability in the web-based user interface (web UI) of Cisco IOS XE 16.2 could allow an authenticated, remote attacker to elevate their privileges on an afCVE-2017-12230 · Network & remote access · Cisco · reported by psirt@cisco.comHigh 8.8
A vulnerability in the web-based user interface (web UI) of Cisco IOS XE 16.2 could allow an authenticated, remote attacker to elevate their privileges on an affected device. The vulnerability is due to incorrect default permission settings for new users who are created by using the web UI of the affected software. An attacker could exploit this vulnerability by using the web UI of the affected software to create a new user and then logging into the web UI as the newly created user. A successful exploit could allow the attacker to elevate their privileges on the affected device. This vulnerability affects Cisco devices that are running a vulnerable release Cisco IOS XE Software, if the HTTP Server feature is enabled for the device. The newly redesigned, web-based administration UI was introduced in the Denali 16.2 Release of Cisco IOS XE Software. This vulnerability does not affect the web-based administration UI in earlier releases of Cisco IOS XE Software. Cisco Bug IDs: CSCuy83062.
Product
IOS XE
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Sep 28, 2017A vulnerability in the REST API of the web-based user interface (web UI) of Cisco IOS XE 3.1 through 16.5 could allow an unauthenticated, remote attacker to bypCVE-2017-12229 · Network & remote access · Cisco · reported by psirt@cisco.comCritical 9.8
A vulnerability in the REST API of the web-based user interface (web UI) of Cisco IOS XE 3.1 through 16.5 could allow an unauthenticated, remote attacker to bypass authentication to the REST API of the web UI of the affected software. The vulnerability is due to insufficient input validation for the REST API of the affected software. An attacker could exploit this vulnerability by sending a malicious API request to an affected device. A successful exploit could allow the attacker to bypass authentication and gain access to the web UI of the affected software. This vulnerability affects Cisco devices that are running a vulnerable release of Cisco IOS XE Software, if the HTTP Server feature is enabled for the device. The newly redesigned, web-based administration UI was introduced in the Denali 16.2 Release of Cisco IOS XE Software. This vulnerability does not affect the web-based administration UI in earlier releases of Cisco IOS XE Software. Cisco Bug IDs: CSCuz46036.
Product
IOS XE
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Sep 28, 2017A vulnerability in the Cisco Network Plug and Play application of Cisco IOS 12.4 through 15.6 and Cisco IOS XE 3.3 through 16.4 could allow an unauthenticated, CVE-2017-12228 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 5.9
A vulnerability in the Cisco Network Plug and Play application of Cisco IOS 12.4 through 15.6 and Cisco IOS XE 3.3 through 16.4 could allow an unauthenticated, remote attacker to gain unauthorized access to sensitive data by using an invalid certificate. The vulnerability is due to insufficient certificate validation by the affected software. An attacker could exploit this vulnerability by supplying a crafted certificate to an affected device. A successful exploit could allow the attacker to conduct man-in-the-middle attacks to decrypt confidential information on user connections to the affected software. Cisco Bug IDs: CSCvc33171.
Product
IOS
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Sep 28, 2017A vulnerability in the web-based Wireless Controller GUI of Cisco IOS XE Software for Cisco 5760 Wireless LAN Controllers, Cisco Catalyst 4500E Supervisor EnginCVE-2017-12226 · Network & remote access · Cisco · reported by psirt@cisco.comHigh 8.8
A vulnerability in the web-based Wireless Controller GUI of Cisco IOS XE Software for Cisco 5760 Wireless LAN Controllers, Cisco Catalyst 4500E Supervisor Engine 8-E (Wireless) Switches, and Cisco New Generation Wireless Controllers (NGWC) 3850 could allow an authenticated, remote attacker to elevate their privileges on an affected device. The vulnerability is due to incomplete input validation of HTTP requests by the affected GUI, if the GUI connection state or protocol changes. An attacker could exploit this vulnerability by authenticating to the Wireless Controller GUI as a Lobby Administrator user of an affected device and subsequently changing the state or protocol for their connection to the GUI. A successful exploit could allow the attacker to elevate their privilege level to administrator and gain full control of the affected device. This vulnerability affects the following Cisco products if they are running Cisco IOS XE Software Release 3.7.0E, 3.7.1E, 3.7.2E, 3.7.3E, 3.7.4E, or 3.7.5E: Cisco 5760 Wireless LAN Controllers, Cisco Catalyst 4500E Supervisor Engine 8-E (Wireless) Switches, Cisco New Generation Wireless Controllers (NGWC) 3850. Cisco Bug IDs: CSCvd73746.
Product
IOS XE
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Sep 28, 2017A vulnerability in the wireless controller manager of Cisco IOS XE could allow an unauthenticated, adjacent attacker to cause a restart of the switch and resultCVE-2017-12222 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 6.5
A vulnerability in the wireless controller manager of Cisco IOS XE could allow an unauthenticated, adjacent attacker to cause a restart of the switch and result in a denial of service (DoS) condition. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by submitting a crafted association request. An exploit could allow the attacker to cause the switch to restart. This vulnerability affects Cisco Catalyst 3650 and 3850 switches running IOS XE Software versions 16.1 through 16.3.3, and acting as wireless LAN controllers (WLC). Cisco Bug IDs: CSCvd45069.
Product
IOS XE
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Sep 25, 2017The encryption library in Cisco IOS Software 15.2(1)T, 15.2(1)T1, and 15.2(2)T, Cisco NX-OS in Cisco MDS 9222i Multiservice Modular Switch, Cisco MDS 9000 18/4-CVE-2011-4667 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 5.9
The encryption library in Cisco IOS Software 15.2(1)T, 15.2(1)T1, and 15.2(2)T, Cisco NX-OS in Cisco MDS 9222i Multiservice Modular Switch, Cisco MDS 9000 18/4-Port Multiservice Module, and Cisco MDS 9000 Storage Services Node module before 5.2(6), and Cisco IOS in Cisco VPN Services Port Adaptor for Catalyst 6500 12.2(33)SXI, and 12.2(33)SXJ when IP Security (aka IPSec) is used, allows remote attackers to obtain unencrypted packets from encrypted sessions.
Product
IOS
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record tools.cisco.com cisco.com
Sep 25, 2017Cisco IOS before 12.2(33)SXI allows remote authenticated users to cause a denial of service (device reboot).CVE-2010-3050 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 6.5
Cisco IOS before 12.2(33)SXI allows remote authenticated users to cause a denial of service (device reboot).
Product
IOS
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record cisco.com cisco.com
Sep 25, 2017Cisco IOS before 12.2(33)SXI allows local users to cause a denial of service (device reboot).CVE-2010-3049 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 5.5
Cisco IOS before 12.2(33)SXI allows local users to cause a denial of service (device reboot).
Product
IOS
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record cisco.com cisco.com
Sep 7, 2017A vulnerability in the USB-modem code of Cisco IOS XE Software running on Cisco ASR 920 Series Aggregation Services Routers could allow an authenticated, local CVE-2017-6796 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 6.7
A vulnerability in the USB-modem code of Cisco IOS XE Software running on Cisco ASR 920 Series Aggregation Services Routers could allow an authenticated, local attacker to inject and execute arbitrary commands on the underlying operating system of an affected device. The vulnerability is due to improper input validation of the platform usb modem command in the CLI of the affected software. An attacker could exploit this vulnerability by modifying the platform usb modem command in the CLI of an affected device. A successful exploit could allow the attacker to inject and execute arbitrary commands on the underlying operating system of an affected device. Cisco Bug IDs: CSCve48949.
Product
IOS XE
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Sep 7, 2017A vulnerability in the USB-modem code of Cisco IOS XE Software running on Cisco ASR 920 Series Aggregation Services Routers could allow an authenticated, local CVE-2017-6795 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 4.4
A vulnerability in the USB-modem code of Cisco IOS XE Software running on Cisco ASR 920 Series Aggregation Services Routers could allow an authenticated, local attacker to overwrite arbitrary files on the underlying operating system of an affected device. The vulnerability is due to improper input validation of the platform usb modem command in the CLI of the affected software. An attacker could exploit this vulnerability by modifying the platform usb modem command in the CLI of an affected device. A successful exploit could allow the attacker to overwrite arbitrary files on the underlying operating system of an affected device. Cisco Bug IDs: CSCvf10783.
Product
IOS XE
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Sep 7, 2017Cisco IOS Software and Cisco IOS XE Software UDP Packet Processing Denial-of-Service VulnerabilityCVE-2017-6627 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedHigh 7.5
A vulnerability in the UDP processing code of Cisco IOS and IOS XE could allow an unauthenticated, remote attacker to cause the input queue of an affected system to hold UDP packets, causing an interface queue wedge and denial of service.
Product
IOS and IOS XE Software
On CISA’s list since
Mar 3, 2022 (federal fix deadline Mar 24, 2022)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog securityfocus.com securitytracker.com
Sep 7, 2017A vulnerability in the dynamic access control list (ACL) feature of Cisco IOS XE Software running on Cisco Catalyst 4000 Series Switches could allow an unauthenCVE-2017-12213 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 4.3
A vulnerability in the dynamic access control list (ACL) feature of Cisco IOS XE Software running on Cisco Catalyst 4000 Series Switches could allow an unauthenticated, adjacent attacker to cause dynamic ACL assignment to fail and the port to fail open. This could allow the attacker to pass traffic to the default VLAN of the affected port. The vulnerability is due to an uncaught error condition that may occur during the reassignment of the auth-default-ACL dynamic ACL to a switch port after 802.1x authentication fails. A successful exploit of this issue could allow a physically adjacent attacker to bypass 802.1x authentication and cause the affected port to fail open, allowing the attacker to pass traffic to the default VLAN of the affected switch port. Cisco Bug IDs: CSCvc72751.
Product
IOS XE
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Sep 7, 2017A vulnerability in the IPv6 Simple Network Management Protocol (SNMP) code of Cisco IOS and Cisco IOS XE Software could allow an authenticated, remote attacker CVE-2017-12211 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 5.3
A vulnerability in the IPv6 Simple Network Management Protocol (SNMP) code of Cisco IOS and Cisco IOS XE Software could allow an authenticated, remote attacker to cause high CPU usage or a reload of the device. The vulnerability is due to IPv6 sub block corruption. An attacker could exploit this vulnerability by polling the affected device IPv6 information. An exploit could allow the attacker to trigger high CPU usage or a reload of the device. Known Affected Releases: Denali-16.3.1. Cisco Bug IDs: CSCvb14640.
Product
IOS
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Aug 7, 2017Cisco IOS 12.0 through 15.6, Adaptive Security Appliance (ASA) Software 7.0.1 through 9.7.1.2, NX-OS 4.0 through 12.0, and IOS XE 3.6 through 3.18 are affected CVE-2017-6770 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 4.2
Cisco IOS 12.0 through 15.6, Adaptive Security Appliance (ASA) Software 7.0.1 through 9.7.1.2, NX-OS 4.0 through 12.0, and IOS XE 3.6 through 3.18 are affected by a vulnerability involving the Open Shortest Path First (OSPF) Routing Protocol Link State Advertisement (LSA) database. This vulnerability could allow an unauthenticated, remote attacker to take full control of the OSPF Autonomous System (AS) domain routing table, allowing the attacker to intercept or black-hole traffic. The attacker could exploit this vulnerability by injecting crafted OSPF packets. Successful exploitation could cause the targeted router to flush its routing table and propagate the crafted OSPF LSA type 1 update throughout the OSPF AS domain. To exploit this vulnerability, an attacker must accurately determine certain parameters within the LSA database on the target router. This vulnerability can only be triggered by sending crafted unicast or multicast OSPF LSA type 1 packets. No other LSA type packets can trigger this vulnerability. OSPFv3 is not affected by this vulnerability. Fabric Shortest Path First (FSPF) protocol is not affected by this vulnerability. Cisco Bug IDs: CSCva74756, CSCve47393, CSCve
Product
Nx-os
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Aug 7, 2017A vulnerability in the Autonomic Networking feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to reset tCVE-2017-6665 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 6.5
A vulnerability in the Autonomic Networking feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to reset the Autonomic Control Plane (ACP) of an affected system and view ACP packets that are transferred in clear text within an affected system, an Information Disclosure Vulnerability. More Information: CSCvd51214. Known Affected Releases: Denali-16.2.1 Denali-16.3.1.
Product
IOS
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Aug 7, 2017A vulnerability in the Autonomic Networking feature of Cisco IOS XE Software could allow an unauthenticated, remote, autonomic node to access the Autonomic NetwCVE-2017-6664 · Network & remote access · Cisco · reported by psirt@cisco.comHigh 7.5
A vulnerability in the Autonomic Networking feature of Cisco IOS XE Software could allow an unauthenticated, remote, autonomic node to access the Autonomic Networking infrastructure of an affected system, after the certificate for the autonomic node has been revoked. This vulnerability affected devices that are running Release 16.x of Cisco IOS XE Software and are configured to use Autonomic Networking. This vulnerability does not affect devices that are running an earlier release of Cisco IOS XE Software or devices that are not configured to use Autonomic Networking. More Information: CSCvd22328. Known Affected Releases: 15.5(1)S3.1 Denali-16.2.1.
Product
IOS XE
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record securityfocus.com securitytracker.com
Aug 7, 2017Cisco IOS Software and Cisco IOS XE Software Denial-of-Service VulnerabilityCVE-2017-6663 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedMedium 6.5
A vulnerability in the Autonomic Networking feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause autonomic nodes of an affected system to reload, resulting in denial-of-service (DoS).
Product
IOS and IOS XE Software
On CISA’s list since
Mar 3, 2022 (federal fix deadline Mar 24, 2022)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog securityfocus.com securitytracker.com
Aug 2, 2017Cisco IOS before 15.2(4)S6 does not initialize an unspecified variable, which might allow remote authenticated users to cause a denial of service (CPU consumptiCVE-2012-5030 · Network & remote access · Cisco · reported by psirt@cisco.comMedium 6.5
Cisco IOS before 15.2(4)S6 does not initialize an unspecified variable, which might allow remote authenticated users to cause a denial of service (CPU consumption, watchdog timeout, crash) by walking specific SNMP objects.
Product
IOS
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record cisco.com cisco.com
Jul 17, 2017Cisco IOS Software SNMP Remote Code Execution VulnerabilityCVE-2017-6744 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedHigh 8.8
The Simple Network Management Protocol (SNMP) subsystem of Cisco IOS 1 contains a vulnerability that could allow an authenticated, remote attacker to remotely execute code on an affected system or cause an affected system to reload. An attacker could exploit these vulnerabilities by sending a crafted SNMP packet to an affected system via IPv4 or IPv6.
Product
IOS software
On CISA’s list since
Mar 3, 2022 (federal fix deadline Mar 24, 2022)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog sec.cloudapps.cisco.com sec.cloudapps.cisco.com
Jul 17, 2017Cisco IOS and IOS XE Software SNMP Remote Code Execution VulnerabilityCVE-2017-6743 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedHigh 8.8
The Simple Network Management Protocol (SNMP) subsystem of Cisco IOS and IOS XE contains a vulnerability that could allow an authenticated, remote attacker to remotely execute code.
Product
IOS and IOS XE Software
On CISA’s list since
Mar 3, 2022 (federal fix deadline Mar 24, 2022)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog sec.cloudapps.cisco.com securityfocus.com
Jul 17, 2017Cisco IOS and IOS XE Software SNMP Remote Code Execution VulnerabilityCVE-2017-6742 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedHigh 8.8
The Simple Network Management Protocol (SNMP) subsystem of Cisco IOS and IOS XE contains a vulnerability that could allow an authenticated, remote attacker to remotely execute code on an affected system or cause an affected system to reload.
Product
IOS and IOS XE Software
On CISA’s list since
Apr 19, 2023 (federal fix deadline May 10, 2023)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog sec.cloudapps.cisco.com securityfocus.com
Jul 17, 2017A vulnerability in the SNMP implementation of could allow an authenticated, remote attacker to cause a reload of the affected system or to remotely execute codeCVE-2017-6741 · Network & remote access · Cisco · reported by psirt@cisco.comHigh 8.8
A vulnerability in the SNMP implementation of could allow an authenticated, remote attacker to cause a reload of the affected system or to remotely execute code. An attacker could exploit this vulnerability by sending a crafted SNMP packet to the affected device.  The vulnerability is due to a buffer overflow in the affected code area. The vulnerability affects all versions of SNMP (versions 1, 2c, and 3). The attacker must know the SNMP read only community string (SNMP version 2c or earlier) or the user credentials (SNMPv3). An exploit could allow the attacker to execute arbitrary code and obtain full control of the system or to cause a reload of the affected system. Only traffic directed to the affected system can be used to exploit this vulnerability.
Product
Cisco IOS XE Software
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record sec.cloudapps.cisco.com securityfocus.com

Where this comes from: the exploited list is CISA’s Known Exploited Vulnerabilities catalog. Everything else is the whole National Vulnerability Database, where each record is published by the team that found the bug (Wordfence, Patchstack, WPScan, the vendors themselves and others); we show who. Exploit odds are FIRST’s EPSS, updated daily. Titles and categories are ours, so check the linked record before acting on a detail. For a write-up of the big ones, see our advisories. Every vendor, and every WordPress plugin and theme with a recorded flaw, also has its own page. All of it is free to reuse as JSON, CSV or RSS.

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